M61.439 Other calcification of muscle, unspecified forearm

Billable ICD-10-CM code, FY2026.

Applies from M61.4 Other calcification of muscle

Excludes1 (never code together)

• calcific tendinitis NOS (M65.2-)
• calcific tendinitis of shoulder (M75.3)

MS-DRG index

Defines the logic of DRG(s) 557-558 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 728.19 Other muscular calcification and ossification (approximate)

Nearby codes

• M61.422 Other calcification of muscle, left upper arm
• M61.429 Other calcification of muscle, unspecified upper arm
• M61.43 Other calcification of muscle, forearm
• M61.431 Other calcification of muscle, right forearm
• M61.432 Other calcification of muscle, left forearm
• M61.439 Other calcification of muscle, unspecified forearm (this code)
• M61.44 Other calcification of muscle, hand
• M61.441 Other calcification of muscle, right hand
• M61.442 Other calcification of muscle, left hand
• M61.449 Other calcification of muscle, unspecified hand
• M61.45 Other calcification of muscle, thigh